Description of Sea to Summit Sn240 Ultra-light Compression Sacks When the gear needs to become lighter and smaller, pack it into Sn240 Siliconized Cordura® Compression Sacks. Features: “Flip-Top-Lid” design prevents strap tangling 30D Diamond Ripstop Siliconized Cordura® 4 straps for even compression Extra long straps so these sacks can really be filled to capacity Bar tack reinforced stress points Pull handle on the bottom Slippery finish for easy packing Comes assorted in several great colors